Author
Listed:
- Dionysios Perdikis
- Raoul Huys
- Viktor Jirsa
Abstract
The idea that complex motor, perceptual, and cognitive behaviors are composed of smaller units, which are somehow brought into a meaningful relation, permeates the biological and life sciences. However, no principled framework defining the constituent elementary processes has been developed to this date. Consequently, functional configurations (or architectures) relating elementary processes and external influences are mostly piecemeal formulations suitable to particular instances only. Here, we develop a general dynamical framework for distinct functional architectures characterized by the time-scale separation of their constituents and evaluate their efficiency. Thereto, we build on the (phase) flow of a system, which prescribes the temporal evolution of its state variables. The phase flow topology allows for the unambiguous classification of qualitatively distinct processes, which we consider to represent the functional units or modes within the dynamical architecture. Using the example of a composite movement we illustrate how different architectures can be characterized by their degree of time scale separation between the internal elements of the architecture (i.e. the functional modes) and external interventions. We reveal a tradeoff of the interactions between internal and external influences, which offers a theoretical justification for the efficient composition of complex processes out of non-trivial elementary processes or functional modes.
Suggested Citation
Dionysios Perdikis & Raoul Huys & Viktor Jirsa, 2011.
"Complex Processes from Dynamical Architectures with Time-Scale Hierarchy,"
PLOS ONE, Public Library of Science, vol. 6(2), pages 1-12, February.
Handle:
RePEc:plo:pone00:0016589
DOI: 10.1371/journal.pone.0016589
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